amadey | 4649973caf12dba324f3ae728a2547b8faaf5eeda88cc8943a0802098ce30782

General

Target

file.exe
Size

1.9MB
MD5

fc20a6c027aad707aa48822ff845634f
SHA1

c899fb0f23781c2059aa0b86628992f2f0a56eb8
SHA256

4649973caf12dba324f3ae728a2547b8faaf5eeda88cc8943a0802098ce30782
SHA512

b3969b8b9228a5569f70b425b2158fc856f6d0b99b9278dad2552e943ae9b3f52fd636c769a25fcc531828a440e62b5968612d20c276caa7810e83ea87b39b5d
SSDEEP

49152:9xxjzwZT2g2d+n2KDNmscVtW2GsrrF8S0:9bwZygE+/UzHW6

Score

10^/10

amadey 9c9aa5 discovery evasion trojan

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes

install_dir
abc3bc1985
install_file
skotes.exe
strings_key
8a35cf2ea38c2817dba29a4b5b25dcf0
url_paths
/Zu7JuNko/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Amadey family
amadey

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

skotes.exefile.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

file.exeskotes.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

Processes:

skotes.exe

pid	Process
2952	skotes.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

file.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

Processes:

file.exe

pid	Process
1736	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

file.exeskotes.exe

pid	Process
1736	file.exe
2952	skotes.exe

Drops file in Windows directory 1 IoCs

Processes:

file.exe

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

file.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exeskotes.exe

pid	Process
1736	file.exe
2952	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

file.exe

pid	Process
1736	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 1736 wrote to memory of 2952	1736	file.exe	30
PID 1736 wrote to memory of 2952	1736	file.exe	30
PID 1736 wrote to memory of 2952	1736	file.exe	30
PID 1736 wrote to memory of 2952	1736	file.exe	30

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

Filesize
1.9MB

MD5
fc20a6c027aad707aa48822ff845634f

SHA1
c899fb0f23781c2059aa0b86628992f2f0a56eb8

SHA256
4649973caf12dba324f3ae728a2547b8faaf5eeda88cc8943a0802098ce30782

SHA512
b3969b8b9228a5569f70b425b2158fc856f6d0b99b9278dad2552e943ae9b3f52fd636c769a25fcc531828a440e62b5968612d20c276caa7810e83ea87b39b5d

Download Submit
memory/1736-0-0x00000000001A0000-0x000000000067E000-memory.dmp

Filesize
4.9MB

Download
memory/1736-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/1736-2-0x00000000001A1000-0x00000000001CF000-memory.dmp

Filesize
184KB

Download
memory/1736-3-0x00000000001A0000-0x000000000067E000-memory.dmp

Filesize
4.9MB

Download
memory/1736-4-0x00000000001A0000-0x000000000067E000-memory.dmp

Filesize
4.9MB

Download
memory/1736-14-0x00000000001A0000-0x000000000067E000-memory.dmp

Filesize
4.9MB

Download
memory/1736-15-0x0000000006860000-0x0000000006D3E000-memory.dmp

Filesize
4.9MB

Download
memory/2952-16-0x0000000001340000-0x000000000181E000-memory.dmp

Filesize
4.9MB

Download
memory/2952-17-0x0000000001341000-0x000000000136F000-memory.dmp

Filesize
184KB

Download
memory/2952-18-0x0000000001340000-0x000000000181E000-memory.dmp

Filesize
4.9MB

Download
memory/2952-19-0x0000000001340000-0x000000000181E000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads